Announcements are always sent immediately to group members regardless of their notification settings.
When a member has set their notification to daily or weekly digest, they receive the comment-digest email instead of the new-comment email unless the comment was sent as an announcement or is an essential notification.
The frequency attribute of the notification element is then set to
Administrators can configure daily digest email using the global properties.
notifyDailyTime global property to set the time of the day the daily and weekly digest emails are sent to group members.
Daily and weekly comment notifications can be disabled by setting the
notifyProcess global property to
Digest emails can only be configured globally – they cannot be configured differently for individual groups.
Changing the notification
Members can change their notification settings for each group by editing the membership in the Group and invitations page. Administrators can also edit the notification settings on behalf of users from the user’s Account profile page and Managers from the group Manage members administration page.